<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <ul>
            <li v-for="(item,index) in list">
                {{ item }} <button @click=" list.splice(index, 1) ">删除</button>
            </li>
        </ul>

        <button @click="add">生成</button>
    </div>

    <script src="./vue.js"></script>
    <script>
        new Vue({
            el: '#app',
            data: {
                list: []
            },
            methods: {
                add () {

                    // 产生一个随机数（0-100）
                    let num = parseInt( Math.random() * 101 )
                    this.list.push(num)
                }
            }
        })
    </script>
</body>
</html>